Home / 1,041,927.35-1,438,083.05-678,703.10

Finding the Fourth Proportional to 1,041,927.35, 1,438,083.05 and 678,703.10

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Solution

The fourth proportional to 1,041,927.35, 1,438,083.05 and 678,703.10 is: 936,755.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,927.35 : 1,438,083.05 = 678,703.10 : x
  2. Step 2: Convert to fraction form
    1,041,927.35/1,438,083.05 = 678,703.10/x
  3. Step 3: Cross multiply
    1,041,927.35x = 1,438,083.05 × 678,703.10
  4. Step 4: Simplify right side
    1,041,927.35x = 976,031,413,508.52
  5. Step 5: Solve for x
    x = 976,031,413,508.52/1,041,927.35
  6. Step 6: Final answer
    x = 936,755.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.